Nutrient and Suspended-Sediment Transport and Trends in the Columbia River and Puget Sound Basins, 1993

Scientific Investigations Report 2007–5186

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2007–5186

Figure - refer to figure caption for alternative text description

Figure 10. Estimated discharges from point sources to the Columbia River that exceed the 75th percentile of all point sources for total nitrogen and total phosphorus, water year 2000.

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